code: def get_instance(cls):
      if cls._instance is None:
          cls._instance = cls.__new__(cls)
      return cls._instance
  
file_path: bitsandbytes/bitsandbytes/utils.py
imports: import json
  import shlex
  import subprocess
  import torch
  from typing import Tuple
label_desc: Use image node_id 6 for calling the OutlierTracer obj's underlying member method code with example usage: obj.get_instance(cls) and returns: cls